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    <h4>产品月销量</h4>

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<tr>

    <th>ID</th>

    <th>产品名称</th>

    <th>销量</th>

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<tr>

    <td>2021090901</td>

    <td>马克杯</td>

    <td>5000</td>

</tr>

<tr>

    <td>2021090901</td>

    <td>啤酒杯</td>

    <td>5200</td>

</tr>

<tr>

    <td>2021090901</td>

    <td>搪瓷杯</td>

    <td>3500</td>

</tr>

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    <th colspan="2" >合计</th>

   

    <th>13700</th>

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